Giant thermoelectric power factor anisotropy in PtSb$_{1.4}$Sn$_{0.6}$

Authors: Liu, Yu, Hu, Zhixiang, Ogunbunmi, Michael O., Stavitski, Eli, Attenkofer, Klaus, Bobev, Svilen, Petrovic, Cedomir

Source: Inorganic Chemistry 61, 13586 (2022)

Subject Terms: Condensed Matter - Materials Science, Condensed Matter - Strongly Correlated Electrons

Access URL: http://arxiv.org/abs/2208.08647

The Highly Disordered Zintl Phase Ca$_{10}$GdCdSb$_9$ -- New Example of a p-type Semiconductor with Remarkable Thermoelectric Properties

Authors: Ogunbunmi, Michael O., Bobev, Svilen

Subject Terms: Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/2205.08559

β-Yb 2 CdSb 2 —A Complex Non-Centrosymmetric Zintl Polymorph.

Authors: Watts, Spencer R.¹, swatt15@lsu.edu, Najera, Larissa¹, Ogunbunmi, Michael O.^2,3, mogunbun@xula.edu, Bobev, Svilen², bobev@udel.edu, Baranets, Sviatoslav^1,2, bobev@udel.edu

Source: Crystals (2073-4352); Nov2024, Vol. 14 Issue 11, p920, 13p

Polaronic Conductivity in Cr$_2$Ge$_2$Te$_6$ Single Crystals

Authors: Liu, Yu, Han, Myung-Geun, Lee, Yongbin, Ogunbunmi, Michael O., Du, Qianheng, Nelson, Christie, Hu, Zhixiang, Stavitski, Eli, Graf, David, Attenkofer, Klaus, Bobev, Svilen, Ke, Liqin, Zhu, Yimei, Petrovic, C.

Source: Advanced Functional Materials 32, 2105111 (2022)

Subject Terms: Condensed Matter - Materials Science, Condensed Matter - Strongly Correlated Electrons

Access URL: http://arxiv.org/abs/2203.00817

Nonmagnetic ground state, Crystal field effects and Heavy-fermion behaviour in the Remeika Phase: Pr$_3$Ir$_4$Ge$_{13}$

Authors: Kumar, K. Ramesh, Ogunbunmi, Michael O., Nair, Harikrishnan S., Strydom, Andre M.

Subject Terms: Condensed Matter - Strongly Correlated Electrons

Access URL: http://arxiv.org/abs/2008.12241

Exploiting the fraternal twin nature of thermoelectrics and topological insulators in Zintl phases as a tool for engineering new efficient thermoelectric generators

Authors: Ogunbunmi, Michael O., Bobev, Svilen

Source: Journal of materials chemistry.C. 11(25):8337-8357

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100187197856.0x000001&indx=1&recIds=ETOCvdc_100187197856.0x000001

Magnetic frustration-driven ground state properties of rare-earth magnetic ions on a breathing kagome lattice: a review of the structure type magnets

Authors: Ogunbunmi, Michael O., Nair, Harikrishnan S., Strydom, André M.

Source: Critical reviews in solid state & materials sciences. 48(4):480-501

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100185802823.0x000001&indx=1&recIds=ETOCvdc_100185802823.0x000001

Crystal structure and thermodynamic properties of the non-centrosymmetric PrRu$_4$Sn$_6$ caged compound

Authors: Ogunbunmi, Michael O, Strydom, André M

Subject Terms: Condensed Matter - Strongly Correlated Electrons

Access URL: http://arxiv.org/abs/1905.09008

Electronic and magnetic properties of quasi-skutterudite PrCo$_2$Ga$_8$ compound

Authors: Ogunbunmi, Michael O., Sondezi, Buyisiwe M., Nair, Harikrishnan S., Strydom, André M.

Source: Physica B: Condensed Matter 536 (2018): 128-132

Subject Terms: Condensed Matter - Strongly Correlated Electrons

Access URL: http://arxiv.org/abs/1904.00064

Investigation of the magnetic ground state of PrRu$_2$Ga$_8$ compound

Authors: Ogunbunmi, Michael O, Strydom, André M

Source: In the Proceedings of SAIP2017, the 62nd Annual Conference of the South African Institute of Physics, edited by Prof. Japie Engelbrecht (SU/2017), pp. 107 - 112. ISBN: 978-0-620-82077-6

Subject Terms: Condensed Matter - Strongly Correlated Electrons

Access URL: http://arxiv.org/abs/1903.12405

Magnetic and physical properties of new hexagonal compounds PrPt$_4X$ ($X$ = Ag, Au)

Authors: Ogunbunmi, Michael O, Strydom, André M

Subject Terms: Condensed Matter - Strongly Correlated Electrons

Access URL: http://arxiv.org/abs/1903.12362

Observation of Anomalously High Seebeck Coefficients in the Family of Zintl Phase Semiconductors Ca10RECdSb9 (RE = Rare-Earth Metal)

Authors: Ogunbunmi, Michael O., Bobev, Svilen

Source: Chemistry of materials. 34(19):8808-8814

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCRN632549098&indx=1&recIds=ETOCRN632549098

Materials design, synthesis, and transport properties of disordered rare-earth Zintl bismuthides with the anti-Th3P4 structure typeElectronic supplementary information (ESI) available: Tables with crystallographic data for all refined structures; results from the electronic structure calculations for Ca4Bi3; details from additional calorimetry and electron microscopy work. CCDC 2132681–2132694. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/d2dt00412g

Authors: Ogunbunmi, Michael O., Baranets, Sviatoslav, Bobev, Svilen

Source: Dalton transactions. 51(13):5227-5238

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100144981336.0x000001&indx=1&recIds=ETOCvdc_100144981336.0x000001

Physical and magnetic properties of frustrated triangular-lattice antiferromagnets R3Cu (R = Ce, Pr)

Authors: Ogunbunmi, Michael O., Strydom, André M.

Source: In Journal of Alloys and Compounds 25 February 2022 895 Part 1

Long-range magnetic phase transitions and negative magnetoresistance of divalent Eu in Eu2Cu5Ni5 phase

Authors: Ogunbunmi, Michael O., Strydom, André M.

Source: In Journal of Alloys and Compounds 20 December 2021 887

Rare-earth pyrocoboltates [formula omitted]Co2O7 (R = Ce, Yb): Effective spin-[formula omitted] antiferromagnetic insulators with strong geometrical frustration

Authors: Ogunbunmi, Michael O., Sondezi, Buyisiwe M., Strydom, André M.

Source: In Journal of Magnetism and Magnetic Materials 1 October 2021 535

Observation of large negative magnetoresistance in the noncentrosymmetric compound PrPtSi

Authors: Ogunbunmi, Michael O., Strydom, André M.

Source: In Journal of Alloys and Compounds 25 August 2021 873

Semiconducting behaviour in the Remeika phase: Pr3Ir4Ge13

Authors: Kamadurai, Ramesh Kumar, Ogunbunmi, Michael O., Nair, Harikrishnan S., Strydom, André M.

Source: In Journal of Alloys and Compounds 15 August 2021 872

The Zintl phases AIn2As2 (A = Ca, Sr, Ba): new topological insulators and thermoelectric material candidatesElectronic supplementary information (ESI) available: Figures depicting the cation coordination, the In2As6 moieties, a side-by-side comparison between BaIn2P2 and BaIn2As2, electronic structure calculations for SrIn2As2. Results from the EDX analysis for a single crystal of BaIn2As2. CIFs from all refined structures have been deposited with the Cambridge Structural Database (CSD) of X-ray structural data and have access codes. CCDC 2082408–2082410. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/d1dt01521d

Authors: Ogunbunmi, Michael O., Baranets, Sviatoslav, Childs, Amanda B., Bobev, Svilen

Source: Dalton transactions. 50(26):9173-9184

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100122468545.0x000001&indx=1&recIds=ETOCvdc_100122468545.0x000001

Two Polymorphs of BaZn2P2: Crystal Structures, Phase Transition, and Transport Properties

Authors: Balvanz, Adam, Baranets, Sviatoslav, Ogunbunmi, Michael O., Bobev, Svilen

Source: Inorganic chemistry. 60(18):14426-14435

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCRN633282089&indx=1&recIds=ETOCRN633282089